Home / 10,547.58-15,822.45-3,979.29

Finding the Fourth Proportional to 10,547.58, 15,822.45 and 3,979.29

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Solution

The fourth proportional to 10,547.58, 15,822.45 and 3,979.29 is: 5,969.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,547.58 : 15,822.45 = 3,979.29 : x
  2. Step 2: Convert to fraction form
    10,547.58/15,822.45 = 3,979.29/x
  3. Step 3: Cross multiply
    10,547.58x = 15,822.45 × 3,979.29
  4. Step 4: Simplify right side
    10,547.58x = 62,962,117.06
  5. Step 5: Solve for x
    x = 62,962,117.06/10,547.58
  6. Step 6: Final answer
    x = 5,969.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.